Looking to continue your email marketing initiatives, or even start them tomorrow?
Here are some essential email marketing statistics you should know when crafting your campaigns.
General Email Marketing Statistics
- As of 2025, almost 4.5 billion people use email around the globe, and by 2027 this number is expected to surpass 4.8 billion (OptinMonster)
- And there will be an estimated 4.73 billion email users by 2026 (Statista)
- On average, professionals check their email 15 times per day, or every 37 minutes (Harvard Business Review)
- It’s been projected that 392 billion emails per day will be sent in 2026, and by 2028 the number is expected to reach 424 billion per day (Statista)
- One-third of digital marketers use email marketing for their clients (Forbes)
- Email marketing revenue worldwide is expected to reach $17.9 billion by 2027 (Statista)
- 4 out of 5 marketers say that they would rather give up social media marketing than email marketing (Luisa Zhou)
- Millennials and Gen Xers rely on their email more than any other generation at 98% (Statista)
- Full-time workers spend an average of 2.6 hours per day using email, handling approximately 120 messages per day (Inboxzero)
- 37% of individuals have two email accounts (Statista)
- 63% of people who open up an email try and find a discount (LXA)
- 99% of email users check their inbox every single day (Hubspot)
- AI-driven email marketing leads to a 13% increase in click-through rates and a 41% rise in revenue (Wix)
- Image-based emails overall have a higher open rate of 30.27% (Backlinko)
- 79% of millennials and 57% of Gen Z members liked being contacted by brands via email (Statista)
- 78% of people check their email before going to work, and 11% of those Americans check email immediately upon waking (Sleep Advisor)
- 51% of consumers say that email is the best and most convenient way for companies to communicate with them (SmarterHQ)
- 47% of email marketers surveyed said they use AI when creating their email marketing campaigns (Forbes)
- 376 billion emails are sent every day (Entrepreneurs HQ)
- 91% of women in the US use email, compared to 89% of men (PGM)
- Technology and transportation services have the highest CTR of all industries (Shopify)
- 61% of consumers spend a viewing time of eight seconds or more per email (Forbes)
- 41% of marketers report increased revenue, while click-through rates jump 13% with AI-powered campaigns (Wix)
- 44% of online marketers use lifecycle emails to activate, engage with, and retain consumers (Litmus)
- Every second, more than 3.13 million emails are sent (PGM)
- The average person online has a minimum of 1.86 email accounts (AOV Up)
- The average person gets between 100 to 120 emails every day (DemandSage)
- Broken down by age range, 90% of people 15 to 24, 93.6% of people 25 to 44, 90.1% of people 45 to 64, and 84.1% of people 65+ use email (PGM)
Statistics on Email Marketing ROI & Effectiveness
- Email marketing has an overall ROI of 4,200% (Luisa Zhou)
- Email marketing campaigns have an average ROI of 36 times, meaning businesses earn an average of $36 in revenue for every dollar spent on email marketing (HubSpot)
- 60% of consumers reported that they have made a purchase as a result of a promotional email (OptinMonster)
- Automated emails can generate 320% more revenue than emails that are not automated (Campaign Monitor)
- 51% of marketers believe that segmenting is one of the most effective email marketing strategies (Instapage)
- Testing your emails can lead to a higher overall return on investment (HubSpot)
- 63% of all businesses will reduce their level of emails based on their consumer engagement (Databox)
- The average unsubscribe rate for emails across numerous years has been shown to be 0.17% (Campaign Monitor)
- Email marketing campaigns that are most effective include the strategies of segmentation (78%), message personalization (72%), and email automation (71%) (HubSpot)
- 87% of brands said that email marketing contributes to their business’ success (HubSpot)
- Emails that include image offers get a 10% boost in open rates (Hubspot)
- Gmail is the most popular email client, used by 27.8% of people, followed by Apple iPhone, which is used by 27.6% of people (Litmus)
- When a company personalizes emails, it can increase revenue by up to 760% (Techjury)
- Out of those surveyed, 59% of Americans believed that the majority of their emails weren’t useful to them (Edison Mail)
- Emails that mention hobbies, the government, or the arts have the highest average open rates (MailChimp)
- 95% of marketing professionals state that their email marketing campaigns are worthwhile in helping them meet their goals (HubSpot)
- 75% of companies that spend $100 or less each month on an email marketing campaign say they reap $21 or more for every dollar they spend, placing email marketing above any other form of digital marketing (UpCity)
- The average click-through rate across all fields for email marketing is 3.25%, so if your efforts are near or above that number you’re doing great (GetResponse)
- Newsletters get a CTR a little higher than average at 3.84%, and triggered emails (based on a customer action) receive a CTR of 5.02% (GetResponse)
- These numbers are consistent with open rates, as newsletters have a 40.08% open rate while triggered emails have a 45.38% open rate (GetResponse)
- Images pack a punch, because image-based emails receive a 4.84% CTR and text-based emails receive a CTR of 1.64% (GetResponse)
- They’re doing something right up north, because in 2022 Canada had the highest click-through rate among a selection of major countries, averaging a rate of 7.41% on marketing emails (Statista)
- Emails that are sponsored or part of co-marketing efforts receive the best open rates when compared to other forms of email (UpCity)
- The biggest reasons customers unsubscribe from marketing emails include getting too many (26%) and finding the emails irrelevant to them (21%) (MarketingSherpa)
- Meanwhile, a survey by the Manifest reported that 59% of respondents said they unsubscribe to company emails they receive too often (The Manifest)
- Ecommerce businesses in 2022 saw an average conversion rate from automated emails of 3% (Statista)
- 44% of marketing professionals say email is their most effective marketing channel (Shopify)
- Personalized email marketing delivers 6x higher transaction rates (Entrepreneurs HQ)
- A/B testing can increase your email marketing ROI by as much as 37% (PGM)
- One out of three marketers reports using email marketing (Shopify)
- Retail, e-commerce and consumer goods businesses have the highest ROI at $45 (DemandSage)
- Expected global email marketing revenue by 2027 is $17.9 billion (PGM)
- 80% of business professionals say they believe email marketing helps keep customers coming back (HubSpot)
- The average email open rate in 2025 was 43.46%, slightly higher than the previous year (MailerLite)
- The average unsubscribe rate in 2025 was 0.22%, more than double that of 2024’s 0.08% (MailerLite)
- Ecommerce businesses average an open rate for emails of 32.67%, with a click rate of 1.07% (MailerLite)
- It’s been estimated that 34% of marketers need to boost their customer retention efforts via email, but it’s often a neglected KPI (Litmus)
- Consumers spend roughly 10 seconds reading emails from brands, so you need to convey your message quickly (HubSpot)
- Some campaigns and industries can benefit more greatly from email marketing than others, as 18% of companies that use email marketing can accrue an ROI of $70 or more for every $1 invested (OptinMonster)
- Consumers who buy products through targeted emails have been shown to spend 138% more than customers who don’t receive email offers from companies (PGM)
- 6 out of every 10 email subscribers are motivated to buy based on targeted emails, and at least once a month more than 50% of people purchase something due to an email (PGM)
- Segmented email lists have been shown to increase revenue by as much as 760% (PGM)
Statistics on Email Subject Lines
- 47% of people will open an email based on the subject line (OptinMonster)
- Email subject lines with fewer than 70 characters have the highest open rates (Shopify)
- On the other hand, 69% of individuals will regard emails as spammy based on the subject line (OptinMonster)
- 42% of individuals will look at the sender of the email first before deciding to open it or not (Mirabel’s Marketing Manager)
- Emails that end up being the most successful are the ones that include promotional offers, promote curiosity, and are ultimately personalized to each person’s preferences (HubSpot)
- 45% of marketers will use automation for A/B testing purposes (Litmus)
- Open rates increase by 56% if an email’s subject line contains emojis, compared to text-only subject lines (Campaign Monitor)
- On the iPhone email app, only the first 30 characters of a subject line are shown (Yola)
- The average open rate worldwide is approximately 27% (GetResponse)
- Mobile devices account for nearly 60% of all email opens (Luisa Zhou)
- 49% of consumers would like to receive promotional emails from their favorite brands weekly (Moosend)
- Fridays have the highest open rate of just under 19% (Moosend)
- 63% of people say they will open an email if it includes some sort of discount (MediaPost)
- Welcome emails have the highest open rate of 50% (Act-On)
- Personalized emails have an open rate of 22.63% (Influencer Marketing Hub)
- 75% of all marketers believe that personalized email marketing campaigns result in higher click-through rates (Instapage)
- Just about 22% of all email marketing campaigns are opened within the first hour of them being sent (GetResponse)
- Recognizing the sender is the most important factor in whether or not an email is opened (Mailjet)
- Companies that send two emails a month tend to see a higher open rate (Techjury)
- Subject lines are key, but don’t neglect those preheader texts either since emails with preheader text receive better open rates at 44.67% compared to the 39.28% of those lacking them (GetResponse)
- The word “video” on the email subject line increases the open rate by 19% and the click-through rate by 65% (PGM)
Statistics on Email Marketing on Mobile Devices
- 67% of Gen Z use their mobile devices to check email (HubSpot)
- 41% of people will view their emails from their mobile devices, while 39% of views are from desktops (HubSpot)
- Nearly 1 in 5 email marketing campaigns are not optimized for mobile devices (SuperOffice)
- About 42% of people will delete emails that are not properly optimized for mobile (SaleCycle)
- Optimizing email marketing campaigns for mobile responsiveness can lead to increased mobile clicks by 15% (MailChimp)
- 55% of emails are opened on mobile devices (Hubspot)
- Mobile devices account for 27% of email addresses (MailChimp)
- 23% of consumers who check an email on a mobile device will check it again later (Campaign Monitor)
- The iPhone email app has the highest market share, with the Gmail app taking second place (Litmus Labs)
- 59% of Millennials use their cellphone to check email (Wix)
- 73% of B2B marketers consider email marketing to be the most effective method for reaching out to prospects (G2)
- Half of users will delete emails they receive that aren’t optimized for mobile (OptinMonster)
- 35% of business professionals view their emails on mobile devices (PGM)
- 56% of marketers implement mobile-friendly emails in their email marketing strategy (Forbes)
Statistics on Best Days and Times to Send Marketing Emails
- 21.2% of all email opens happen within the first hour, quickly after marketers send them (Shopify)
- The best days to send emails are Tuesdays and Fridays (OptinMonster)
- Sundays are the worst day to send an email (HubSpot)
- 35% of respondents favor Tuesday as their preferred day of the week for email sends (Statista)
- The worst days to send emails are on the weekends (OptinMonster)
- 8 a.m., 2 p.m., and 5 p.m. are usually the best times to send emails (OptinMonster)
- However, Moosend argues the worst time to send an email is 5-6 p.m. (Moosend)
- 58% of email users will check their email first thing in the morning (LinkedIn)
- Thursday is the best day to send an email campaign (Moosend)
- While Saturday is the worst day to send an email campaign (Moosend)
- Users open emails more on mobile during the holiday season during the rest of the year (Shopify)
Statistics on Email Marketing Strategies
- 36% of digital marketers report that they want to create more automated emails for their strategies in the next year (Litmus)
- 67% of B2B buyers and consumers set up a separate junk email to avoid unwanted emails (HubSpot)
- New product announcement emails have the highest click-through rate according to B2B marketers (HubSpot)
- 77% of B2B buyers prefer that people contact them via email (Porch Group Media)
- On average, B2Bs email open rate is 15.1% (Moosend)
- B2B marketing emails have a 23% higher click-to-open ratio compared to B2C marketing emails (Backlinko)
- Across all industries, 35.63% is the average open rate for email marketing (Mailchimp)
- Businesses see a 15% increase in mobile clicks when creating a mobile-responsive email design (G2)
- 50% of marketers in the B2B space think that email marketing is the most effective tool at their disposal, placing it over content marketing, social media, and other forms (eMarketer)
- Email marketing was ranked second for most effective sales and marketing lead sources in the B2B space at 32% (Sagefrog)
- While B2B marketing emails see a slightly lower open rate (15.14%) compared to B2C, they see a higher click rate (3.18%) compared to 2.09% for B2C (OptinMonster)
- Sending emails once a month had the highest open rate at 28%. Sending 2-4 emails a month had the second highest open rate (Snov)
- 73% of companies today prioritize mobile device optimization when creating email marketing campaigns (HubSpot)
- Adding a call-to-action button in your emails instead of a text link can lead to a 28% in click-throughs (Backlinko)
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Disclaimer: The statistics on this page have been compiled by our team from various third-party sources for informational purposes only. We do not claim ownership of this data unless cited otherwise.
